California has about 5 million to donate to that cause...
Because our southern border patrols are essentially a bad joke, we could offer free bus passes to New York, Connecticut, Massachusetts, Rhode Island, Vermont, New Hamphsire, with particular emphasis on Martha's Vineyard and the Hampshires, besides all the blue cities on the U.S. coasts. Since illegals can enter without impunity, let them go to to the Northeast so that the elites can enjoy the cultural change.
Then their hospitals can shut down because of the ER costs of uninsured illegals, and they can face the lost of taxes due to illegal employee wages which are sent back to Mexico. The U.S. is the #1 source of Mexican national income, and we're propping up their notoriously corrupt government while supporting 10% of their population illegally in our country.